Seleccione un Proveedor
<form method="post">
<select name='select1'>
<?php
foreach(Consulta::arrayFila() as $fila):
?>
<option value="<?php echo $fila[0] ?>"><?php echo $fila[0] ?></option>
<?php
endforeach;
?>
</select>

<br>
<input type="submit" value="Aplicar">
